BUCKLING BEHAVIOUR OF SHELLS OF STEPPED WALL CYLINDERS UNDER UNIFORM EXTERNAL PRESSURE

Chen Lei; J.Michael Rotter; Peng Yiliang; Yang Guang

doi:10.13204/j.gyjz201308027

Volume 43 Issue 8

Dec. 2014

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Chen Lei, J.Michael Rotter, Peng Yiliang, Yang Guang. BUCKLING BEHAVIOUR OF SHELLS OF STEPPED WALL CYLINDERS UNDER UNIFORM EXTERNAL PRESSURE[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(8): 125-132. doi: 10.13204/j.gyjz201308027

Citation:

Chen Lei, J.Michael Rotter, Peng Yiliang, Yang Guang. BUCKLING BEHAVIOUR OF SHELLS OF STEPPED WALL CYLINDERS UNDER UNIFORM EXTERNAL PRESSURE[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(8): 125-132. doi: 10.13204/j.gyjz201308027

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BUCKLING BEHAVIOUR OF SHELLS OF STEPPED WALL CYLINDERS UNDER UNIFORM EXTERNAL PRESSURE

doi: 10.13204/j.gyjz201308027

1.
1. Henan Electric Power Survey&Design Institute,Zhengzhou 450007,China;
2.
2. Institute for Infrastructure and Environment,University of Edinburgh,Edinburgh,EH9 3JL,UK

Received Date: 2013-02-20
Publish Date: 2013-08-20

Abstract

Abstract

The shells of stepped wall cylinders are widely used for cylindrical containment structures, such as vertical-axis tanks and silos.Buckling failures can easily occur on these structures under external pressures when they are empty or partial empty.Their buckling modes may have several forms due to complicated changes in wall thickness.Hencr how to determine accurately the buckling mode of cylinder wall is a difficult issue in design of such structures.It was introduced a new weighted mean thickness method.Buckling predictions were made using the new hand calculation method and compared both with accurate predictions from finite element calculations using ABAQUS and with the current Eurocode rules.The comparison shows that the weighted mean thickness method provides a precise evaluation of the external buckling strength and modes of stepped wall cylinders for a wide range of short and medium-length shells.
- cylindrical shells,
- silos,
- shell of stepped wall thickness cylinder,
- external pressure,
- buckling

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References(18)

References

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